Guest Stars Julian Barratt as Benjy Dhillon Karl Johnson as Bill Newman Maya Sondhi as Lola Dartmouth Derek Jacobi as Sir Ralph Unwin Siân Reeves as Claudia Rose Donald Sage MacKay as Norm Niedecker Margaret Jackman as Hilary the Gardener Alfie Harrison as Josh Dhillon Chandrika Chevli as Priana Fisher Liz Crowther as Joyce Ransome Ellie Haddington as Diane Sacharissa Claxton as Danni Harker Natasha Culzac as Kelly John Cummins as JD Dana Haqjoo as PC Bell Robert Irons as Magistrate Albertine Kotting McMillan as Zoe Rose